AverageMarcus/tailscale-exporter
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Include the version in the initial log output

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Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>
This commit is contained in:
Marcus Noble 2023-07-30 13:51:16 +01:00
parent bfe1115cb5
commit 15625050c7
Signed by: AverageMarcus
GPG Key ID: B8F2DB8A7AEBAF78
3 changed files with 6 additions and 2 deletions
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2
.github/workflows/docker.yaml vendored
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@ -37,3 +37,5 @@ jobs:
push: true push: true
tags: ${{ steps.meta.outputs.tags }} tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }} labels: ${{ steps.meta.outputs.labels }}
build-args:
VERSION: ${{ steps.meta.outputs.version }}

3
Dockerfile
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@ -4,6 +4,7 @@ ARG TARGETPLATFORM
ARG BUILDPLATFORM ARG BUILDPLATFORM
ARG TARGETOS ARG TARGETOS
ARG TARGETARCH ARG TARGETARCH
ARG VERSION="dev"
RUN apk update && apk add -U --no-cache ca-certificates RUN apk update && apk add -U --no-cache ca-certificates
@ -12,7 +13,7 @@ ADD go.mod go.sum ./
RUN go mod download RUN go mod download
ADD main.go . ADD main.go .
ADD pkg/ ./pkg ADD pkg/ ./pkg
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-w -s" -o tailscale-exporter main.go RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -ldflags="-w -s -X 'main.Version=${VERSION}'" -o tailscale-exporter main.go
FROM --platform=${TARGETPLATFORM:-linux/amd64} scratch FROM --platform=${TARGETPLATFORM:-linux/amd64} scratch
WORKDIR /app/ WORKDIR /app/

3
main.go
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@ -11,6 +11,7 @@ import (
"github.com/prometheus/client_golang/prometheus/promhttp" "github.com/prometheus/client_golang/prometheus/promhttp"
) )
var Version = "dev"
var addr string var addr string
func init() { func init() {
@ -32,7 +33,7 @@ func main() {
metrics.Collect(client, reg) metrics.Collect(client, reg)
http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg})) http.Handle("/metrics", promhttp.HandlerFor(reg, promhttp.HandlerOpts{Registry: reg}))
log.Printf("tailscale-exporter") log.Printf("tailscale-exporter - %s", Version)
log.Printf("Listening on %s", addr) log.Printf("Listening on %s", addr)
log.Fatal(http.ListenAndServe(addr, nil)) log.Fatal(http.ListenAndServe(addr, nil))
} }